/usr/local/servmon/bin/diskstat_send
#!/bin/sh
LANG=zh_cn
disk=$(/bin/df -kP | grep / | awk -F ' ' ' {print $6":"$5}' | awk -F '%' ' {print $1}' | tr -s '\n' ';')
today=$(date -d "today" +"%Y-%m-%d_%H:%M:%S")
ip=$(/sbin/ifconfig | grep "inet addr" | grep -v "127.0.0.1" | awk '{print $2;}' | awk -F':' '{print $2;}' | tr -s '\n' ';')
/usr/bin/curl -d menu=diskstat -d password=$2 -d date=$today -d ip=$ip -d data=$disk $1

#!/bin/sh
LANG=zh_cn
data=$(/usr/bin/free -m | grep Swap | awk '{print $2":"$3":"$4}')
today=$(date -d "today" +"%Y-%m-%d_%H:%M:%S")
ip=$(/sbin/ifconfig | grep "inet addr" | grep -v "127.0.0.1" | awk '{print $2;}' | awk -F':' '{print $2;}' | tr -s '\n' ';')
/usr/bin/curl -d menu=swapstat -d password=$2 -d date=$today -d ip=$ip -d data=$data $1

0-30/30 * * * * root /bin/sh /usr/local/servmon/bin/diskstat_send http://192.168.0.28/servmon/interface.php yourpassword
0-50/10 * * * * root /bin/sh /usr/local/servmon/bin/swapstat_send http://192.168.0.28/servmon/interface.php yourpassword

[mail function]
; For Win32 only.
;SMTP = localhost
;smtp_port = 25

; For Win32 only.
;sendmail_from = me@example.com

; For Unix only.  You may supply arguments as well (default: "sendmail -t -i").
sendmail_path = /usr/sbin/sendmail -t -i

CREATE TABLE `tb_diskstat` (
  `ip` varchar(128) NOT NULL default '',
  `date` int(10) NOT NULL default '0',
  UNIQUE KEY `ip` (`ip`)
) TYPE=MyISAM;

/**
*********************************************************************
* Copyright (c) 2007, 回忆未来[张宴]
* All rights reserved.
*
* 文件名称： interface.php
* 摘    要： 服务器监控系统ServMon接口程序
* 描    述：
* 作    者： 张宴  新浪UC：103500  博客：blog.s135.com
* 版    本： 1.0
* 时    间： 2007-08-03
*********************************************************************
*/  
  
//------------------配置信息------------------  
$password = "yourpassword";//设置数据传输验证密码  
$mysql_server = "127.0.0.1:3306";//MySQL服务器地址及端口，例如localhost:3306  
$mysql_db = "servmon";//MySQL数据库名  
$mysql_username = "root";//MySQL帐号  
$mysql_password = "";//MySQL密码  
$disk_max = "90";//磁盘分区使用百分比超过此值，则报警。默认为90%  
$disk_sendmail_interval = "43200";//如果同一台服务器连续报警，设置每隔多少秒发送一次报警邮件。默认为43200秒，即12小时。  
$swap_max = "50";//Swap交换空间使用百分比超过此值，则报警。默认为50%  
$email = "servmon@sina.com";//管理员邮箱  
//--------------------------------------------  
  
//密码验证  
if (htmlspecialchars($_POST["password"]) != $password)  
{  
    echo "数据传输验证密码错误！\n";  
    exit();  
}  
  
//磁盘分区报警（分区使用率超过90%后会发邮件报警）  
if (htmlspecialchars($_POST["menu"]) == "diskstat")  
{  
    $is_send_mail = "0";//是否发邮件，0为不发邮件  
    $date = htmlspecialchars($_POST["date"]);  
    $ip = htmlspecialchars($_POST["ip"]);  
    $data = htmlspecialchars($_POST["data"]);  
    $subject = "[系统监控]_磁盘分区空间不足_" . $ip;  
    $message = "服务器监控系统 ServMon V1.0\r\n";  
    $message = $message . "-------------------------------------------------------\r\n";  
    $message = $message . "报警服务器：" . $ip . "\r\n";  
    $message = $message . "-------------------------------------------------------\r\n";  
    $message = $message . "报警时间：" . $date . "\r\n";  
    $message = $message . "-------------------------------------------------------\r\n";  
    $message = $message . "报警内容：\r\n";  
    $headers = 'From: ServMon ' . "\r\n" .  
        'Reply-To: ServMon ' . "\r\n" . 'X-Mailer: PHP/' . phpversion();  
    $arr1 = explode(";", $data);  
    foreach ($arr1 as $key1 => $value1)  
    {  
        $arr2 = explode(":", $value1);  
        if ($arr2[0] != "" && $arr2[1] != "" && $arr2[1] >= $disk_max)  
        {  
            $message = $message . "●磁盘分区 " . $arr2[0] . " 空间不足（空间使用率达到" . $arr2[1] . "%）\r\n";  
            $is_send_mail = "1";//是否发邮件，1为发送邮件  
        }  
    }  
    if ($is_send_mail == "1")  
    {  
        $connect = mysql_connect($mysql_server, $mysql_username, $mysql_password);  
        $select = mysql_select_db($mysql_db, $connect);  
        $select_result = mysql_query("SELECT date FROM tb_diskstat WHERE ip='" . $ip .  
            "' LIMIT 1");  
        $rs = mysql_fetch_array($select_result);  
        $interval = date("U") - $rs["date"];  
        if ($interval >= $disk_sendmail_interval)  
        {  
            if (mail($email, $subject, $message, $headers))  
            {  
                echo "已成功发送报警邮件！\n";  
            }  
            else  
            {  
                echo "发送报警邮件失败！\n";  
            }  
            $insert_result = mysql_query("REPLACE INTO tb_diskstat (ip, date) VALUES ('" . $ip .  
                "', '" . date("U") . "');");  
        }  
        else  
        {  
            if ($disk_sendmail_interval >= 3600)  
            {  
                $disk_sendmail_interval_text = $disk_sendmail_interval / 3600 . "小时";  
            }  
            else  
            {  
                $disk_sendmail_interval_text = $disk_sendmail_interval . "秒";  
            }  
            echo "已发送过报警邮件，" . $disk_sendmail_interval_text . "内不再重复发送！\n";  
        }  
  
    }  
    else  
    {  
        echo "磁盘分区空间足够，无须发送报警邮件！\n";  
    }  
    exit();  
}  
  
//Swap交换空间报警（Swap交换空间使用率超过60%后会发邮件报警）  
if (htmlspecialchars($_POST["menu"]) == "swapstat")  
{  
    $is_send_mail = "0";//是否发邮件，0为不发邮件  
    $date = htmlspecialchars($_POST["date"]);  
    $ip = htmlspecialchars($_POST["ip"]);  
    list($total, $used, $free) = split(":", htmlspecialchars($_POST["data"]));  
    $percentage = round($used / $total * 100, 0);  
    $subject = "[系统监控]_Swap交换空间使用率高达" . $percentage . "%_" . $ip;  
    $message = "服务器监控系统 ServMon V1.0\r\n";  
    $message = $message . "-------------------------------------------------------\r\n";  
    $message = $message . "报警服务器：" . $ip . "\r\n";  
    $message = $message . "-------------------------------------------------------\r\n";  
    $message = $message . "报警时间：" . $date . "\r\n";  
    $message = $message . "-------------------------------------------------------\r\n";  
    $message = $message . "报警内容：\r\n";  
    $headers = 'From: ServMon ' . "\r\n" .  
        'Reply-To: ServMon ' . "\r\n" . 'X-Mailer: PHP/' . phpversion();  
    $arr1 = explode(";", $data);  
    foreach ($arr1 as $key1 => $value1)  
    {  
        $arr2 = explode(":", $value1);  
        if ($arr2[0] != "" && $arr2[1] != "" && $arr2[1] >= $disk_max)  
        {  
            $message = $message . "●磁盘分区 " . $arr2[0] . " 空间不足（空间使用率达到" . $arr2[1] . "%）\r\n";  
            $is_send_mail = "1";//是否发邮件，1为发送邮件  
        }  
    }  
    if ($percentage >= $swap_max)  
    {  
        $message = $message . "●Swap交换空间使用率高达" . $percentage . "%，若继续增加到100%可能会导致服务器死机。\r\n";  
        $message = $message . "●Swap交换空间总量：" . $total . " MB\r\n";  
        $message = $message . "●Swap交换空间使用：" . $used . " MB\r\n";  
        $message = $message . "●Swap交换空间剩余：" . $free . " MB\r\n";  
        $is_send_mail = "1";//是否发邮件，1为发送邮件  
    }  
    if ($is_send_mail == "1")  
    {  
        if (mail($email, $subject, $message, $headers))  
        {  
            echo "已成功发送报警邮件！\n";  
        }  
        else  
        {  
            echo "发送报警邮件失败！\n";  
        }  
    }  
    else  
    {  
        echo "Swap交换空间使用率不高，无须发送报警邮件！\n";  
    }  
    exit();  
}  
?>